Updated timelines

Thirteen Colonies- Avila
Space Exploration Dates and Descriptions TimeLine
Yemen Crisis
Holocaust
A Nation About To Break
A Nation About To Break timeline
Vietnam
principales acontecimientos politicos entre 1939-1945
History of Swimming
History of Swimming timeline
The First Decade of Motion Pictures
The First Decade of Motion Pictures timeline
400 Meter Run
400 Meter Run timeline
my timeline
Olympic Long Jump
Olympic Long Jump timeline
King James Timeline
Events During the Napoleonic Era
Events During the Napoleonic Era timeline
Ne Yo
Ne Yo timeline
History of Cloning